Book excerpt: Details a step-by-step methodology developed by the Idaho National Laboratory in conjunction with multiple branches of the U.S. government including DHS, DoE, and DoD as well as with industry partners. Provides a comprehensive understanding of the highest-impact risks to critical infrastructure organizations and components. Explains to critical infrastructure stakeholders how their most critical processes and functions are targeted. Highlights how leveraging engineering-first principles helps prevent the highest consequence damage and destruction. Outlines prioritized, preventative measures to counter the tactics and practices of highly resourced, adaptive nation-state adversaries. Appendices include checklists for each phase plus a highly detailed technical account of CCE applied to a fictional country